/*
 * @Author: HotSuitor
 * @Date: 2020-03-11 17:26:51
 * @LastEditors: hs
 * @LastEditTime: 2020-03-11 17:34:36
 * @Description: hotsuitor@qq.com
 */
package main

import (
	"os"
	"flag"
	"fmt"
)

var name string

func init() {
	flag.StringVar(&name, "name", "everyone", "The greeting object.")
}

func main() {
  flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "Usage of %s:\n", "question")
		flag.PrintDefaults()
	}
	flag.Parse();
	fmt.Printf("Hello %s\n", name)
}
